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Power Systems

Power Systems
The value of diversity factor is

 0
 1
 less than 1
 greater than 1

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Power Systems
Find the value of a729, where "a" is the operator

 1
 α
 α²
 0

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Power Systems
A diesel power station has fuel consumption of 0.28 Kg per kWh. The calorific value of fuel is being 10000 KCal / kg. Determine the overall efficiency

  30.7 %.
  30.26 %.
 40 %.
 40.85 %.

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Power Systems
The sequence components of the fault current are as follows : Ipositive = j1.5 pu, Inegative = − j0.5 pu, Izero = − j pu Which fault is this?

  LLG.
  LLLG.
  LL.
  LG.

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Power Systems
If the rated receiving end voltage is 33 kV, then what are the limits for safe operation of equipments?

 33 to 50 kV
 31.35 to 34.65 kV
 25 to 35 kV
 any voltage above 33 kV

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Power Systems
A thermal power plant is being supplied with coal having much more ash content than that for which it was designed. Which of its following units needs major modifications

 Condenser.
 Ash handling unit.
 Pulversing unit.
 Cooling tower.

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